Understanding Reinforcement and Fusion in Hybrid Zones Quiz

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According to the text, speciation can occur rapidly or slowly and can result from changes in few or many genes. How can the time it takes for new species to form be determined?

By studying the fossil record

By analyzing morphological data

By studying molecular data

All of the above (correct)

What are periods of apparent stasis punctuated by sudden change called?

Fossil record

Speciation

Gradual change

Punctuated equilibria (correct)

What does a punctuated pattern in the fossil record indicate?

Fossil record

Slow rate of speciation

Gradual change

Rapid speciation (correct)

What does a gradual pattern in the fossil record indicate?

Slow rate of speciation Signup and view all the answers

What is the term for the model of speciation where a new species changes significantly when it splits from the parent species and then remains relatively unchanged for the rest of its existence?

Punctuated equilibria Signup and view all the answers

What is the term for the model of speciation where species gradually and steadily diverge over time?

Gradual change Signup and view all the answers

What can be used to determine the time it takes for new species to form?

All of the above Signup and view all the answers

What does the fossil record include?

All of the above Signup and view all the answers

What is the term for the periods of apparent stasis punctuated by sudden change in the fossil record?

Punctuated equilibria Signup and view all the answers

What are the two models for the tempo of speciation?

Punctuated equilibria and gradual change Signup and view all the answers

Which of the following best describes reinforcement in hybrid zones?

Reinforcement occurs when hybrids are less fit than the parent species. Signup and view all the answers

What is fusion in the context of hybrid zones?

Fusion occurs when hybrids have lower reproductive success than the parent species. Signup and view all the answers

What does Figure 22.16 illustrate?

Figure 22.16 illustrates the breakdown of reproductive barriers in hybrid zones. Signup and view all the answers

When does stability occur in hybrid zones?

Stability occurs when hybrids have equal fitness to the parent species. Signup and view all the answers

What can lead to the continued production of hybrids in a hybrid zone?

Hybrids being more likely to survive and reproduce than the parent species. Signup and view all the answers

What is reinforcement in hybrid zones?

Reinforcement is the strengthening of reproductive barriers between two species. Signup and view all the answers

What is fusion in the context of hybrid zones?

Fusion is the weakening of reproductive barriers between two species. Signup and view all the answers

What does Figure 22.16 illustrate?

Figure 22.16 illustrates the breakdown of reproductive barriers in hybrid zones. Signup and view all the answers

When does stability occur in hybrid zones?

Stability occurs when hybrids have equal fitness to the parent species. Signup and view all the answers

What can lead to the continued production of hybrids in a hybrid zone?

Hybrids being more likely to survive and reproduce than the parent species. Signup and view all the answers

Understanding Reinforcement and Fusion in Hybrid Zones Quiz

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Questions and Answers

According to the text, speciation can occur rapidly or slowly and can result from changes in few or many genes. How can the time it takes for new species to form be determined?

What are periods of apparent stasis punctuated by sudden change called?

What does a punctuated pattern in the fossil record indicate?

What does a gradual pattern in the fossil record indicate?

What is the term for the model of speciation where a new species changes significantly when it splits from the parent species and then remains relatively unchanged for the rest of its existence?

What is the term for the model of speciation where species gradually and steadily diverge over time?

What can be used to determine the time it takes for new species to form?

What does the fossil record include?

What is the term for the periods of apparent stasis punctuated by sudden change in the fossil record?

What are the two models for the tempo of speciation?

Which of the following best describes reinforcement in hybrid zones?

What is fusion in the context of hybrid zones?

What does Figure 22.16 illustrate?

When does stability occur in hybrid zones?

What can lead to the continued production of hybrids in a hybrid zone?

What is reinforcement in hybrid zones?

What is fusion in the context of hybrid zones?

What does Figure 22.16 illustrate?

When does stability occur in hybrid zones?

What can lead to the continued production of hybrids in a hybrid zone?

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